html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f1f1f1;
}

#app {
    display: flex;
    flex-wrap: wrap;
    overflow: auto;
    padding: 20px;
    box-sizing: border-box;
    width: 80%;
    max-width: 1200px;
}

.navigation-wrapper {
    width: 50%;
    height: 120px;
    padding: 8px;
    box-sizing: border-box;
}

.navigation {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    transition: all 0.3s;
    cursor: pointer;
    background-color: #fff;
    display: flex;
    align-items: center;
    padding-left: 10%;
    box-sizing: border-box;
    text-decoration: none;
    outline: none;
    color: #000;
}

.navigation img {
    width: 50px;
    height: 50px;
    margin-right: 8%;
}

.navigation span {
    font-family: 'Microsoft YaHei';
    font-size: 36px;
}

.navigation:hover {
    transform: scale(1.02);
}

@media screen and (min-width:1200px) {
    .navigation-wrapper {
        width: 33%;
    }
}

@media screen and (max-width:670px) {
    .navigation-wrapper {
        width: 100%;
    }
}